Extrusion Line, Plastic Machinery, Single Screw Extruder manufacturer / supplier in China, offering Huashida HDPE Water/Gas Supply Pressure Plastic Pipe Single Layer Multi-Layer Extrusion Line, Steel Pipe Fbe 3PE Anti-Corrosion Coating Machine for Oil & Gas Transmission, Water Supply Pipelines, and Industrial Pipeline Protection, Steel Pipe Fbe and 3PE Anti-Corrosion Coating Production Line with Superior Chemical Resistance, Smooth Coating, and International Compliance and so on.